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sludge scraper system Articles

Regardless of treatment process, sludge blanket control is an important aspect of any wastewater treatment plant, and correct monitoring and treatment of sludge is paramount for efficiency and cost control. Manual monitoring of sludge blanket levels is an occasional and often rushed method of control and can lead to inaccuracies being compounded over time, potentially leading to overspill into ...

BackgroundThe treatment plant at this Steel Mill treats approximately 0.3mgd waste from the coke and steel operations. Over the past year the treatment works improved performance and consistently produced a good quality effluent with respect to phenol, suspended solids, ammonia and cyanide. An improvement in performance was required to meet future discharge limits. To achieve this level of ...

Product Overview Skimall Model AG25 "Mini David" Oil Skimming System The Model AG25 Oil Skimming System is designed to remove free-floating oils, grease and other material from the surface of water in indoor and outdoor applications where space is limited. The compact design makes it ideal for applications including oil/water separators, "tramp oil" removal from ...

Turbidity is a very useful tool when regarding control within the primary settlement stage of water treatment. By utilising turbidity as a control variable during this stage of the process you can enable a more rapid response to variations in load and provide early warning to operators of equipment malfunction before it’s too late; allowing for immediate action to be taken ...

BackgroundThe treatment plant at this industrial facility treats approximately 0.3 mgd waste containing phenolic compounds. Over the past year the treatment works has improved performance and consistently been able to produce good quality effluent with respect to phenol, however, an improvement in performance was required to meet future discharge limits. To achieve this level of treatment, ...

Growing Snack-Food Manufacturer Reduces Costs, Recycles Waste A privately held snack-food manufacturer in Ohio expected to increase production of potato chips by 20%, to about 72 million pounds a year. While more potato chips would mean more profits, it also would mean more oil-laden wastewater from washing the potatoes and the fryers used to cook them. PROCESS: When ...

Both rectangular and circular configurations have been commonly used in clarifier basins. The relative merits of the two have been discussed at length for decades. Historically, the selection of rectangular versus circular clarifiers has been based on past experience and the preference of the design engineer or design company. Initial wastewater treatment plant designs in the United States were ...

The Manhattan treatment plant is a 400,000 GPD plant in two trains, containing six 24 x 5.0 Bio-WheelTM. It is able to nitrify and denitrify, with two anoxic basins ahead of the aeration basins. Two conventional flight and scraper clarifiers are used. Three Penn Valley RA S/MLSS pumps are located in a separate pump room. The plant is designed for a future expansion to 0.8 MGD. At this time the ...

Packaged-food producers frequently use and then must discard large batches of cooking oil used in their process. Usually they drain most of the oil directly from equipment, but they must remove residual oil by regularly washing fryers, ovens, conveyors, and other machinery. The oil mixes with the wash water and becomes part of the plants wastewater stream. Having oil in wastewater complicates the ...

Clarifiers are expensive, to buy or repair, and their downtime can be costly in fines imposed by regulatory agencies and in community ill will. Regular maintenance, an annual inspection of the mechanism and an occasional touchup of the paint or coating system are simple and inexpensive proactive steps that will usually prevent most problems. Three components of all clarifiers require maintenance: ...

Customer: Food Processor; forming and precooking prepared food items for the fast food industry. Plant located in Upstate New York. The Problem: Customer operates three shifts of production. The third shift is responsible for washing and sanitizing all food process equipment and surrounding areas. Oil and grease from sausage and ...

ABSTRACTMost large combined sewer communities face significant financial investment to address wet weather compliance issues. Innovative, cost-effective methods of dealing with wet weather flows is a must to prevent spiraling rate increases for rate payers. High rate clarification and high rate filtration systems are becoming the technology of choice for treating wet weather flows. The City of ...

On November 1, 2004, Bridgewater's first oil skimmer began removing oil from its mill drains. At a cost of $6,500, the skimmer, supplied by Abanaki UK Ltd, represents a significant investment and underlies Bridgewater's commitment to enhancing the operation of its Effluent Treatment Plant. The acquisition of an oil skimmer materialized following lengthy periods of under performance from a ...

The U.S. Environmental Protection Agency Performance Track Program is a prestigious program that recognizes the accomplishments of manufacturing facilities that lead the way for improving their facilities’ environmental performance (i.e. reduce air emissions and consumption of water). Brooklyn Navy Yard Cogeneration Partners L.P. is an elite member of this program. They have been recognized for ...

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